Volume 30 Issue 6
Dec.  2002
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Abstract
CHENG Guo-ming, HUANG Kan, WANG Si-jing. Top-coal fractures and its implication on the study of permeability in MLTCM[J]. COAL GEOLOGY & EXPLORATION, 2002, 30(6): 19-21.
Citation: CHENG Guo-ming, HUANG Kan, WANG Si-jing. Top-coal fractures and its implication on the study of permeability in MLTCM[J]. COAL GEOLOGY & EXPLORATION, 2002, 30(6): 19-21.
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Top-coal fractures and its implication on the study of permeability in MLTCM

  • 1. Institute of Geology and Geophysics, CAS, Beijing 100029, China;

  • 2. China University of Mining and Technology, Beijing 100083, China

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  • Received Date: May 23, 2002
  • Available Online: March 10, 2023
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    • Abstract
  • Based on study of coal samples in mechanized longwall top-coal caving mining(MLTCM) face,anisotropy and inhomogeneity of top-coal fractures are quantitatively expressed,and inhomogeneity is applied in the study of permeability,the calculation results fits well with the observation results,which shows that multi-fractal method can provide a new method for the investigation of top-coal fracture and its permeability.
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